Hyoscyamine

Hyoscyamine sulfate is effective as adjunctive therapy in the treatment of peptic ulcer. It can also be used to control gastric secretion, visceral spasm and hypermotility in spastic colitis, spastic bladder, cystitis, pylorospasm, and associated abdominal cramps. May be used in functional intestinal disorders to reduce symptoms such as those seen in mild dysenteries, diverticulitis, and acute enterocolitis. For use as adjunctive therapy in the treatment of irritable bowel syndrome (irritable colon, spastic colon, mucous colitis) and functional gastrointestinal disorders. …

• HYOSYNE ORAL DROPS (Hyoscyamine Sulfate Oral Solution) Dosage may be adjusted according to the conditions and severity of symptoms
• Measuredosage very carefully
• Adults and pediatric patients 12 years of age and older : 1 to 2 mL every four hours or as needed
• Do not exceed 12 mL in 24 hours
• Pediatric patients 2 to under 12 years of age : 1/4 to 1 mL every four hours or as needed
• Do not exceed 6 mL in 24 hours
• Pediatric patients under 2 years of age : The following dosage guide is based upon body weight
• The doses may be repeated every four hours or as needed
• Body Weight Usual Dose
• Do Not Exceed In 24 Hours 3.4 kg (7.5 lb.) 4 drops 24 drops 5 kg (11 lb.) 5 drops 30 drops 7 kg (15 lb.) 6 drops 36 drops 10 kg (22 lb.) 8 drops 48 drops Package of Hyoscyamine Sulfate Oral Drops is accompanied with a dropper having markings of 3, 4, 5 DROPS, and 0.25 mL
• The approximate equivalent amount of hyoscyamine sulfate drops (mL) and its equivalent amount of hyoscyamine sulfate (mg) for each marking are as follows: Approximate Equivalent Amount Marking on Dropper Hyoscyamine Sulfate Oral Drops Solution (mL) Hyoscyamine Sulfate (mg) 3 DROPS 0.08 mL 0.01 mg 4 DROPS 0.11 mL 0.01375 mg 5 DROPS 0.14 mL 0.0175 mg 0.25 mL 0.25 mL 0.03125 mg HYOSYNE ELIXIR (Hyoscyamine Sulfate Elixir) Dosage may be adjusted according to the conditions and severity of symptoms
• Measure dosage very carefully
• Adults and pediatric patients 12 years of age and older : 1 to 2 teaspoonfuls every four hours or as needed
• Do not exceed 12 teaspoonfuls in 24 hours. …

Glaucoma; obstructive uropathy (for example, bladder neck obstruction due to prostatic hypertrophy); obstructive disease of the gastrointestinal tract (as in achalasia, pyloroduodenal stenosis); paralytic ileus, intestinal atony of elderly or debilitated patients; unstable cardiovascular status in acute hemorrhage; severe ulcerative colitis; toxic megacolon complicating ulcerative colitis; myasthenia gravis.

In the presence of high environmental temperature, heat prostration can occur with drug use (fever and heat stroke due to decreased sweating). Diarrhea may be an early symptom of incomplete intestinal obstruction, especially in patients with ileostomy or colostomy. In this instance, treatment with this drug would be inappropriate and possibly harmful. Like other anticholinergic agents, Hyoscyamine sulfate may produce drowsiness, dizziness or blurred vision. In this event, the patient should be warned not to engage in activities requiring mental alertness such as operating a motor vehicle or other machinery or to perform hazardous work while taking this drug. …

All of the following adverse reactions have been reported with hyoscyamine sulfate. Adverse reactions may include dryness of the mouth; urinary hesitancy and retention; blurred vision; tachycardia; palpitations; mydriasis; increased ocular tension; loss of taste; headache; nervousness; drowsiness; weakness; fatigue; dizziness; insomnia; nausea; vomiting; impotence; constipation; bloated feeling; abdominal pain; diarrhea; allergic reactions or drug idiosyncrasies; urticaria and other dermal manifestations; ataxia; speech disturbance; some degree of mental confusion and/or excitement (especially in elderly persons); short-term memory loss; hallucinations; and decreased sweating.

The signs and symptoms of overdose are headache, nausea, vomiting, blurred vision, dilated pupils, hot dry skin, dizziness, dryness of the mouth, difficulty in swallowing, and CNS stimulation. Measures to be taken are immediate lavage of the stomach and injection of physostigmine 0.5 to 2 mg intravenously and repeated as necessary up to a total of 5 mg. Fever may be treated symptomatically (tepid water sponge baths, hypothermic blanket). …

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.